HELP!!

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Bata1231
Posts: 1
Joined: Mon Feb 01, 2021 5:37 am
My Bike: moda

HELP!!

Post by Bata1231 »

on the tank wot connects to the nipple and where does it come from? the nipple being the one at the bottom right side of the tank as you sit on the bike. cos when i filled it up, petrol pisses out of this ive missed something and dont know wot! HELP!
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Ewetea
zxr400 oc member
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My Bike: ZXR400L5
Location: Newport Shropshire

Re: HELP!!

Post by Ewetea »

The nipple is connected to a "breather" pipe inside the tank which allows air to enter the tank as petrol is consumed by the engine. There is usually a rubber pipe connected to the nipple, running down to the metal ring on the frame near the foot brake to take care of any overflow. I think the petrol tank should only be filled to the bottom of the neck in the tank. If you have filled it to the brim you may have reached the top of the breather tube in the tank, and it is syphoning the excess out.
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banner001
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Re: HELP!!

Post by banner001 »

Or your tank has an internal hole between the tank and that tube, so you fill the tank so far up and then it hits that hole and fuel will come out the drain, and never allow you to fully fill the tank?
UK ZXR400 L3 (1993) - Fully restored and on the roads, my green beast!
JPN ZXR250 A2 (1990) - Revs to 19,200rpm... 'nuff said :smt003
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banner001
Track day God
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Joined: Sat Sep 24, 2011 3:27 pm
My Bike: ZXR400 L4
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Re: HELP!!

Post by banner001 »

And just to correct you, that hole is actually the "water drain" hole for any water getting past the petrol cap, the actual breather hole is through the key slot
UK ZXR400 L3 (1993) - Fully restored and on the roads, my green beast!
JPN ZXR250 A2 (1990) - Revs to 19,200rpm... 'nuff said :smt003
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